Suspend Execution For A Short Time

int sqlite3_sleep(int);

The sqlite3_sleep() function causes the current thread to suspend execution
for at least a number of milliseconds specified in its parameter.

If the operating system does not support sleep requests with
millisecond time resolution, then the time will be rounded up to
the nearest second. The number of milliseconds of sleep actually
requested from the operating system is returned.

SQLite implements this interface by calling the xSleep()
method of the default sqlite3_vfs object. If the xSleep() method
of the default VFS is not implemented correctly, or not implemented at
all, then the behavior of sqlite3_sleep() may deviate from the description
in the previous paragraphs.